Cosmetic skin care device



FIG. 1 is a perspective view of a cosmetic skin care device embodying my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line in the drawings depict portions of the cosmetic skin care device that form no part of the claimed design. 

CLAIM The ornamental design for a cosmetic skin care device as shown and described. 